Signal Routing and System Configuration
R&S
®
SMW200A
173User Manual 1175.6632.02 ─ 16
Settings:
State............................................................................................................................173
Source.........................................................................................................................173
I/Q Swap..................................................................................................................... 173
Connected Device.......................................................................................................173
State
Switches On/Off the feeding of the selected external digital signals into the baseband.
Remote command:
[:SOURce<hw>]:BBIN:STATe on page 866
Source
Defines the connector used as an external signal source. Available are all digital input
connectors, as defined with "System Configuration > External RF and I/Q > Direction >
Input" (see "Direction" on page 151).
Remote command:
[:SOURce<hw>]:BBIN:DIGital:SOURce on page 866
I/Q Swap
Activates swapping of the I and Q signal components, see "I/Q Swap" on page 419.
Tip: The I/Q swap is required in test setups, like for example, if an external
CDMA2000
®
or 1xEV-DO signal is added to an internally generated baseband signal.
See also:
●
description "CDMA2000
®
incl. EV-DV Digital Standard for R&S SMW"
●
description "1xEV-DO Rev. A, Rev. B Digital Standard for R&S SMW"
Remote command:
[:SOURce<hw>]:BBIN:IQSWap[:STATe] on page 866
Connected Device
If the connection to the external device is properly established and signal transmission
is active, this parameter displays information on the instrument connected to the DIG
I/Q interface:
●
Name and serial number of the connected instrument
●
The transmitter sample rate, if supported by the transmitter
Remote command:
[:SOURce<hw>]:BBIN:CDEVice? on page 870
3.6.2 Sample Rate Settings
Access:
► Select "BB Input > Digital I/Q In > Baseband Input Settings > Sample Rate".
Digital Baseband Input Settings
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